The mode properties of solid-core photonic crystal fibers (PCFs) having square, pentagonal, hexagonal, octagonal, nonagonal, decagonal, and dodecagonal lattice formats with uniform air-filling fractions (AFFs) have been evaluated by a full-vector finite-element method using the software COMSOL Multiphysics 4.3. Irrespective of the hole-to-hole spacing for a particular type of lattice, the ratio of air-hole radii of two PCFs having different AFFs is a constant. The ratio of air-hole radii of a pair of PCFs consisting of different lattice types is also found to be constant if the AFF is the same. With dependence on value of AFF used the effect of the order of lattice on the mode area of PCFs exhibit a reversal characteristic while approaching higher order. The effective nonlinear coefficient has been found to be maximized for octagonal PCFs. A reduction in confinement loss to the order of ${10}^{-6}$ has been observed for higher order PCFs with increased AFF. The variation of the effective area with AFF indicates that it almost reaches saturation for higher ordered structures, but its magnitude is found to decrease with increasing AFF. A flattened dispersion is observed for square PCFs over a wide wavelength range.

通过全矢量有限元评估了具有正方形，五边形，六边形，八边形，九边形，十边形和十二边形晶格格式且具有均匀充气分数（AFF）的固核光子晶体光纤（PCF）的模态特性使用COMSOL Multiphysics 4.3软件的方法。不管特定类型的晶格的孔间距如何，具有不同AFF的两个PCF的气孔半径之比都是常数。如果AFF相同，则由不同晶格类型组成的一对PCF的气孔半径的比率也被发现是恒定的。依赖于AFF值的使用，晶格顺序对PCF的模态区域的影响在接近较高阶时表现出反转特性。已经发现，对于八边形PCF，有效非线性系数最大。${10}^{-6}$已观察到AFF增加的高阶PCF。有效面积随AFF的变化表明，对于高阶结构，有效面积几乎达到饱和，但发现其幅度随AFF的增加而减小。在较宽的波长范围内，方形PCF的色散平坦。